/**
 * @file
 * lwIP Error codes
 */
/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
#ifndef LWIP_HDR_ERR_H
#define LWIP_HDR_ERR_H

#include "lwip/opt.h"
#include "lwip/arch.h"

#ifdef __cplusplus
extern "C"
{
#endif

    /**
     * @defgroup infrastructure_errors Error codes
     * @ingroup infrastructure
     * @{
     */

    /** Definitions for error constants. */
    typedef enum
    {
        /** No error, everything OK. */
        ERR_OK = 0,
        /** Out of memory error.     */
        ERR_MEM = -1,
        /** Buffer error.            */
        ERR_BUF = -2,
        /** Timeout.                 */
        ERR_TIMEOUT = -3,
        /** Routing problem.         */
        ERR_RTE = -4,
        /** Operation in progress    */
        ERR_INPROGRESS = -5,
        /** Illegal value.           */
        ERR_VAL = -6,
        /** Operation would block.   */
        ERR_WOULDBLOCK = -7,
        /** Address in use.          */
        ERR_USE = -8,
        /** Already connecting.      */
        ERR_ALREADY = -9,
        /** Conn already established.*/
        ERR_ISCONN = -10,
        /** Not connected.           */
        ERR_CONN = -11,
        /** Low-level netif error    */
        ERR_IF = -12,

        /** Connection aborted.      */
        ERR_ABRT = -13,
        /** Connection reset.        */
        ERR_RST = -14,
        /** Connection closed.       */
        ERR_CLSD = -15,
        /** Illegal argument.        */
        ERR_ARG = -16
    } err_enum_t;

/** Define LWIP_ERR_T in cc.h if you want to use
 *  a different type for your platform (must be signed). */
#ifdef LWIP_ERR_T
    typedef LWIP_ERR_T err_t;
#else  /* LWIP_ERR_T */
typedef s8_t err_t;
#endif /* LWIP_ERR_T*/

    /**
     * @}
     */

#ifdef LWIP_DEBUG
    extern const char* lwip_strerr(err_t err);
#else
#define lwip_strerr(x) ""
#endif /* LWIP_DEBUG */

#if !NO_SYS
    int err_to_errno(err_t err);
#endif /* !NO_SYS */

#ifdef __cplusplus
}
#endif

#endif /* LWIP_HDR_ERR_H */
